/**
* Stick elements
*
* => How to use?
*
* jQuery( {SELECTOR} ).astHookExtSticky( {
* dependent: [{selectors}], // Not required. Default: []. Stick element dependent selectors.
* stick_upto_scroll: {value}, // Not required. Default: 0. Stick element after scroll upto the {value} in px.
* gutter: {value}, // Not required. Default: 0. Stick element from top of the window in px\.
* });
*
* @package Astra Addon
* @since 1.0.0
*/
;(function ( $, window, undefined ) {
var pluginName = 'astHookExtSticky',
document = window.document,
windowWidth = jQuery( window ).outerWidth(),
viewPortWidth = jQuery( window ).width(),
defaults = {
dependent : [],
max_width : '',
site_layout : '',
break_point : 920,
admin_bar_height_lg : 32,
admin_bar_height_sm : 46,
admin_bar_height_xs : 0,
stick_upto_scroll : 0,
gutter : 0,
wrap : '',
// Padding support of tag.
body_padding_support : true,
// Padding support of tag.
html_padding_support : true,
active_shrink : false,
// Added shrink option.
shrink : {
padding_top : '',
padding_bottom : '',
},
// Enable sticky on mobile
sticky_on_device : 'desktop',
header_style : 'none',
hide_on_scroll : 'no',
},
/* Manage hide on scroll down */
lastScrollTop = 0,
delta = 5,
navbarHeight = 0,
should_stick = true,
hideScrollInterval;
/**
* Init
*
* @since 1.0.0
*/
function astHookExtSticky( element, options ) {
this.element = element;
this.options = $.extend( {}, defaults, options );
this._defaults = defaults;
this._name = pluginName;
/* Manage hide on scroll down */
if ( '1' == this.options.hide_on_scroll ) {
this.navbarHeight = $(element).outerHeight();
}
this.lastScrollTop = 0;
this.delta = 5;
this.should_stick = true;
this.hideScrollInterval = '';
this.init();
}
/**
* Stick element
*
* @since 1.0.0
*/
astHookExtSticky.prototype.stick_me = function( self, type ) {
var selector = jQuery( self.element ),
windowWidth = jQuery( window ).outerWidth(),
stick_upto_scroll = parseInt( self.options.stick_upto_scroll ),
max_width = parseInt( selector.parent().attr( 'data-stick-maxwidth' ) ), // parseInt( self.options.max_width ),
gutter = parseInt( selector.parent().attr( 'data-stick-gutter' ) ); // parseInt( self.options.gutter ).
/**
* Check window width
*/
var hook_sticky_header = astraAddon.hook_sticky_header || '';
// Any stick header is enabled?
if ( 'enabled' == hook_sticky_header ) {
if ( ( 'desktop' == self.options.sticky_on_device && astraAddon.hook_custom_header_break_point > windowWidth ) ||
( 'mobile' == self.options.sticky_on_device && astraAddon.hook_custom_header_break_point <= windowWidth ) ) {
self.stickRelease( self );
} else {
if ( jQuery( window ).scrollTop() > stick_upto_scroll ) {
if ( 'none' == self.options.header_style ) {
if ( 'enabled' == self.options.active_shrink ) {
self.hasShrink( self, 'stick' );
var topValue = 'none'; // Default value for 'top' property
if ( !selector.hasClass( 'ast-custom-header' ) ) {
topValue = gutter; // If it's not the specified class, set 'top' to 'gutter'
}
selector.parent().css( 'min-height', selector.outerHeight() );
selector.addClass( 'ast-header-sticky-active' ).stop().css( {
'max-width': max_width,
'top': topValue, // Setting 'top' property based on the condition
'padding-top': self.options.shrink.padding_top,
'padding-bottom': self.options.shrink.padding_bottom,
} );
selector.addClass( 'ast-sticky-shrunk' ).stop();
} else {
self.hasShrink( self, 'stick' );
selector.parent().css( 'min-height', selector.outerHeight() );
selector.addClass( 'ast-header-sticky-active' ).stop().css( {
'max-width': max_width,
'top': gutter,
'padding-top': self.options.shrink.padding_top,
'padding-bottom': self.options.shrink.padding_bottom,
} );
selector.addClass( 'ast-sticky-shrunk' ).stop();
}
}
} else {
self.stickRelease( self );
}
}
}
var hook_sticky_footer = astraAddon.hook_sticky_footer || '';
// Any stick header is enabled?
if ( 'enabled' == hook_sticky_footer ) {
if (
( 'desktop' == self.options.sticky_on_device && astraAddon.hook_custom_footer_break_point > windowWidth ) ||
( 'mobile' == self.options.sticky_on_device && astraAddon.hook_custom_footer_break_point <= windowWidth )
) {
self.stickRelease( self );
}
else{
jQuery( 'body' ).addClass( 'ast-footer-sticky-active' );
selector.parent().css( 'min-height', selector.outerHeight() );
selector.stop().css({
'max-width' : max_width,
});
}
}
}
astHookExtSticky.prototype.update_attrs = function () {
var self = this,
selector = jQuery( self.element ),
gutter = parseInt( self.options.gutter ),
max_width = self.options.max_width;
if ( 'none' == self.options.header_style ) {
var stick_upto_scroll = selector.offset().top || 0;
}
/**
* Update Max-Width
*/
if ( 'ast-box-layout' != self.options.site_layout ) {
max_width = jQuery( 'body' ).width();
}
/**
* Check dependent element
* - Is exist?
* - Has attr 'data-stick-support' with status 'on'
*/
if ( self.options.dependent ) {
jQuery.each( self.options.dependent, function(index, val) {
if (
( jQuery( val ).length ) &&
( jQuery( val ).parent().attr( 'data-stick-support' ) == 'on' )
) {
dependent_height = jQuery( val ).outerHeight();
gutter += parseInt( dependent_height );
stick_upto_scroll -= parseInt( dependent_height );
}
});
}
/**
* Add support for Admin bar height
*/
if ( self.options.admin_bar_height_lg && jQuery( '#wpadminbar' ).length && viewPortWidth > 782 ) {
gutter += parseInt( self.options.admin_bar_height_lg );
stick_upto_scroll -= parseInt( self.options.admin_bar_height_lg );
}
if ( self.options.admin_bar_height_sm && jQuery( '#wpadminbar' ).length && ( viewPortWidth >= 600 && viewPortWidth <= 782 ) ) {
gutter += parseInt( self.options.admin_bar_height_sm );
stick_upto_scroll -= parseInt( self.options.admin_bar_height_sm );
}
if( self.options.admin_bar_height_xs && jQuery( '#wpadminbar' ).length ){
gutter += parseInt( self.options.admin_bar_height_xs );
stick_upto_scroll -= parseInt( self.options.admin_bar_height_xs );
}
/**
* Add support for tag
*/
if ( self.options.body_padding_support ) {
gutter += parseInt( jQuery( 'body' ).css( 'padding-top' ), 10 );
stick_upto_scroll -= parseInt( jQuery( 'body' ).css( 'padding-top' ), 10 );
}
/**
* Add support for tag
*/
if ( self.options.html_padding_support ) {
gutter += parseInt( jQuery( 'html' ).css( 'padding-top' ), 10 );
stick_upto_scroll -= parseInt( jQuery( 'html' ).css( 'padding-top' ), 10 );
}
/**
* Updated vars
*/
self.options.stick_upto_scroll = stick_upto_scroll;
/**
* Update Attributes
*/
if ( 'none' == self.options.header_style ) {
selector.parent()
.css( 'min-height', selector.outerHeight() )
.attr( 'data-stick-gutter', parseInt( gutter ) )
.attr( 'data-stick-maxwidth', parseInt( max_width ) );
}
}
astHookExtSticky.prototype.hasShrink = function( self, method ) {
var st = $( window ).scrollTop();
// If they scrolled down and are past the navbar, add class .nav-up.
// This is necessary so you never see what is "behind" the navbar.
var fixed_header = jQuery(self.element);
if ( st > fixed_header.outerHeight() ){
// Active Shrink
jQuery('body').addClass('ast-shrink-custom-header');
} else {
// Remove Shrink effect
jQuery('body').removeClass('ast-shrink-custom-header');
}
}
astHookExtSticky.prototype.stickRelease = function( self ) {
var selector = jQuery( self.element );
var hook_sticky_header = astraAddon.hook_sticky_header || '';
// Any stick header is enabled?
if ( 'enabled' == hook_sticky_header ) {
if ( 'none' == self.options.header_style ) {
selector.removeClass( 'ast-header-sticky-active' ).stop().css({
'max-width' : '',
'top' : '',
'padding' : '',
});
selector.parent().css( 'min-height', '' );
selector.removeClass( 'ast-sticky-shrunk' ).stop();
}
}
var hook_sticky_footer = astraAddon.hook_sticky_footer || '';
// Any stick footer is enabled?
if ( 'enabled' == hook_sticky_footer ) {
jQuery( 'body' ).removeClass( 'ast-footer-sticky-active' );
}
}
/**
* Init Prototype
*
* @since 1.0.0
*/
astHookExtSticky.prototype.init = function () {
/**
* If custom stick options are set
*/
if ( jQuery( this.element ) ) {
var self = this,
selector = jQuery( self.element ),
gutter = parseInt( self.options.gutter ),
stick_upto_scroll = selector.position().top || 0,
dependent_height = 0;
/**
* Add parent wrapper with height element for smooth scroll
*
* Added 'data-stick-support' to all sticky elements
* To know the {dependent} element has support of 'stick'
*/
if ( 'none' == self.options.header_style ) {
selector.wrap( self.options.wrap )
.parent().css( 'min-height', selector.outerHeight() )
.attr( 'data-stick-support', 'on' )
.attr( 'data-stick-maxwidth', parseInt( self.options.max_width ) );
}
self.update_attrs();
// Stick me!.
jQuery( window ).on('resize', function() {
self.stickRelease( self );
self.update_attrs();
self.stick_me( self );
} );
jQuery( window ).on('scroll', function() {
// update the stick_upto_scroll if normal main header navigation is opend.
self.stick_me( self, 'scroll' );
} );
jQuery( document ).ready(function($) {
self.stick_me( self );
} );
}
};
$.fn[pluginName] = function ( options ) {
return this.each(function () {
if ( ! $.data( this, 'plugin_' + pluginName )) {
$.data( this, 'plugin_' + pluginName, new astHookExtSticky( this, options ) );
}
});
}
var $body = jQuery( 'body' ),
layout_width = $body.width(),
site_layout = astraAddon.site_layout || '',
hook_sticky_header = astraAddon.hook_sticky_header || '',
hook_shrink_header = astraAddon.hook_shrink_header || '';
sticky_header_on_devices = astraAddon.hook_sticky_header_on_devices || 'desktop',
site_layout_box_width = astraAddon.site_layout_box_width || 1200,
hook_sticky_footer = astraAddon.hook_sticky_footer || '',
sticky_footer_on_devices = astraAddon.hook_sticky_footer_on_devices || 'desktop';
switch ( site_layout ) {
case 'ast-box-layout':
layout_width = parseInt( site_layout_box_width );
break;
}
jQuery( document ).ready(function($) {
// Any stick header is enabled?
if ( 'enabled' == hook_sticky_header ) {
jQuery( '.ast-custom-header' ).astHookExtSticky({
sticky_on_device: sticky_header_on_devices,
header_style: 'none',
site_layout: site_layout,
max_width: layout_width,
active_shrink: hook_shrink_header,
});
}
// Any stick footer is enabled?
if ( 'enabled' == hook_sticky_footer ) {
jQuery( '.ast-custom-footer' ).astHookExtSticky({
sticky_on_device: sticky_footer_on_devices,
max_width: layout_width,
site_layout: site_layout,
header_style: 'none',
});
}
});
}(jQuery, window));